Performance of the risk stratification instruments in identifying patients at high risk for postoperative delirium.^a

<p>Abbreviations: AUC: area under the curve; CI: confidence interval; ROC: receiver operating characteristic.</p>a<p>For the cut-off points of the risk stratification instruments for low vs. high risk, see text.</p><p>Performance of the risk stratification instruments in identifying patients at high risk for postoperative delirium.^{<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0113946#nt110" target="_blank">a</a>}